Display Module and Electronic Device Including the Same

1. A display module comprising: a display panel including a first edge and a second edge facing the first edge; a support plate disposed on a rear surface of the display panel; and an adhesive layer disposed between the display panel and the support plate, wherein the adhesive layer includes: a first area and a second area configured to provide a first adhesive force; and a third area configured to provide a second adhesive force different from the first adhesive force and disposed between the first area and the second area, the third area extending from the first edge to the second edge, and wherein the third area has a first width in a central area between the first edge and the second edge and a second width in areas adjacent to the first edge and the second edge, the second width being different from the first width.

2. The display module of claim 1 , wherein the first adhesive force is greater than the second adhesive force.

3. The display module of claim 1 , further comprising: a cover layer disposed on the display panel, the cover layer comprising a polyimide (PI) material, wherein the first width is greater than the second width.

4. The display module of claim 3 , wherein the third area has a decreasing width from the central area toward the first edge and the second edge.

5. The display module of claim 1 , further comprising: an enhanced cover glass layer disposed on the display panel, the enhanced cover glass layer comprising a glass material, wherein the first width is smaller than the second width.

6. The display module of claim 1 , wherein the support plate includes: a first support area coupled to the display panel by the first area; a second support area coupled to the display panel by the second area; and a slit area formed between the first support area and the second support area, and wherein the slit area includes a plurality of slits extending in a direction from the first edge to the second edge.

7. The display module of claim 1 , wherein the first area and the second area are formed of a double-sided adhesive area configured to provide an adhesive force to the display panel and the support plate, and wherein the third area is formed of a single-sided adhesive area configured to provide an adhesive force to the display panel.

8. The display module of claim 7 , wherein the single-sided adhesive area includes a coating sheet disposed between the third area and the support plate.

9. The display module of claim 8 , wherein the coating sheet includes a first coating sheet comprising an ultraviolet (UV) curable material or a second coating sheet comprising a metallic material.

10. The display module of claim 8 , wherein in a section of the display module, a thickness of the coating sheet and the third area is substantially the same as a thickness of each of the first area and the second area.

11. The display module of claim 1 , wherein the adhesive layer comprises an adhesive material, and wherein the adhesive material has a higher density in the third area than in the first area and the second area.

12. An electronic device comprising: a housing structure including a first housing and a second housing, wherein the first housing and the second housing are configured to be unfolded or folded about a folding axis; and a display module disposed in the first housing and the second housing, wherein the display module includes: a cover layer configured to form a surface of the electronic device, a panel layer including a pixel array, an enhanced cover glass layer disposed between the cover layer and the panel layer, a support plate disposed on a rear surface of the panel layer, and a first adhesive layer and a second adhesive layer configured to bond the panel layer and the support plate, wherein the panel layer includes a first flat area, a second flat area, and a folding area configured to be a curved surface or a flat surface when the first housing and the second housing are unfolded or folded, wherein the support plate includes: a first support area attached to at least part of the first flat area by the first adhesive layer, a second support area attached to at least part of the second flat area by the second adhesive layer, and a slit area formed between the first support area and the second support area, the slit area including a plurality of slits, and wherein when viewed from above the rear surface of the panel layer, the first adhesive layer and the second adhesive layer are spaced apart from each other by a first width at a central portion in a direction of the folding axis and are spaced apart from each other by a second width at edges in the direction of the folding axis, the second width being greater than the first width.

13. The electronic device of claim 12 , wherein when viewed from above the display module, the slit area is located between the first adhesive layer and the second adhesive layer and has a greater width than the folding area.

14. The electronic device of claim 12 , wherein each of the first adhesive layer and the second adhesive layer further includes a single-sided adhesive area configured to provide an adhesive force to the panel layer.

15. An electronic device comprising: a housing structure including a first housing and a second housing, wherein the housing structure is configured such that the first housing and the second housing are configured to be folded about a folding axis to face each other; and a display module disposed in the first housing and the second housing, the display module including: a panel layer, an adhesive layer, and a plate, wherein the adhesive layer includes a first area, a second area, and a third area formed between the first area and the second area and is formed on a rear surface of the panel layer, and the plate includes at least a portion disposed on the first area and the second area and at least a portion extending to the third area, wherein the display module includes a first edge extending in a direction perpendicular to the folding axis, a second edge facing the first edge, a third edge extending in a direction of the folding axis and adjacent to the first area, and a fourth edge facing the third edge and adjacent to the second area, wherein the first area forms a first boundary with the third area, wherein the second area forms a second boundary with the third area, and wherein the first boundary and the second boundary extend from the first edge to the second edge such that the first boundary and the second boundary have a first interval at a central portion between the first edge and the second edge and have a second interval at a portion adjacent to the first edge or the second edge, the second interval being different from the first interval.

16. The electronic device of claim 15 , wherein the first interval is greater than the second interval.

17. The electronic device of claim 15 , wherein the display module further includes an enhanced cover glass layer comprising a glass material, and wherein the first interval is smaller than the second interval.

18. The electronic device of claim 15 , wherein the first boundary connects the first edge and the second edge and is configured to be convex toward the third edge, and wherein the second boundary connects the first edge and the second edge and is configured to be convex toward the fourth edge.

19. The electronic device of claim 15 , wherein the folding axis is formed between the first boundary and the second boundary, and wherein the first boundary and the second boundary are substantially symmetric to each other with respect to the folding axis.

20. The electronic device of claim 15 , wherein the plate includes a first support area coupled to the panel layer by the first area, a second support area coupled to the panel layer by the second area, and a slit area formed between the first support area and the second support area, and wherein the slit area includes a plurality of slits extending in the direction of the folding axis.